Novak Djokovic has 13 Grand Slam titles; Juan Martin Del Potro has just one, a US Open championship he wrested from then-defending champion Roger Federer in 2009. read more

Juan Martin del Potro reached the US Open semi-finals for the third time Tuesday, defeating John Isner 6-7 (5\/7), 6-3, 7-6 (7\/4), 6-2 and ending American hopes of a first men’s champion at the event since 2003. read more

Serena Williams shook off a slow start to grab eight consecutive games and beat 2016 runner-up Karolina Pliskova 6-4, 6-3 for a spot in the U.S. Open semi-finals. read more

Anastasija Sevastova, through to the semi-finals of a Grand Slam for the first time, will face either 23-time major champion Serena Williams or eighth-seeded Czech Karolina Pliskova for a place in the final. read more

Federer said he did not regret his decision to invite Millman to come and train with him after the Australian had suffered a first round loss at Roland Garros. read more

The defeat ended the former world number one’s perfect record of 23 wins -- 22 of them on Arthur Ashe Stadium -- in night sessions at Flushing Meadows. read more

The Argentine sent down nine aces and 33 winners to seal a one-sided victory over the 20th seed in just over two hours, with Coric making 30 unforced errors to undermine his own cause. read more

After registering an easy victory in the first set, a couple of errors in the second set gave Kanepi the chance to make a comeback. However, Williams hit back strongly in the third set to keep the hopes of a 24th Grand Slam title alive. read more

While Federer is usually all business and Kyrgios the showman, the roles were reversed midway through the third set on Saturday when the Swiss produced a trick shot that left the Australian wide-eyed and open mouthed. read more

Rafa Nadal has feasted on Russian opposition in the past but Karen Khachanov nearly served up a major U.S. Open upset on Friday, forcing the world number one to rally for a breathless 5-7 7-5 7-6(7) 7-6(3) third round win. read more

Novak Djokovic suffered in sweltering US Open conditions but held on to reach the second round with a 6-3, 3-6, 6-4, 6-0 victory over Hungarian Marton Fucsovics. read more